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Code Issues Releases Wiki Activity

slide_puzzle: use pkg:provider

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This commit is contained in:
Kevin Moore
2019-05-23 18:05:12 -07:00
parent 051f5bec29
commit 0e50bbd6c9
10 changed files with 206 additions and 214 deletions
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65
web/slide_puzzle/lib/src/puzzle_home_state.dart
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@@ -4,17 +4,15 @@
import 'dart:async';
import 'package:provider/provider.dart';
import 'app_state.dart';
import 'core/puzzle_animator.dart';
import 'flutter.dart';
import 'shared_theme.dart';
import 'theme_plaster.dart';
import 'theme_seattle.dart';
import 'theme_simple.dart';
import 'themes.dart';
class PuzzleHomeState extends State
with TickerProviderStateMixin
implements AppState {
class PuzzleHomeState extends State with TickerProviderStateMixin, AppState {
TabController _tabController;
AnimationController _controller;
@@ -22,41 +20,21 @@ class PuzzleHomeState extends State
final PuzzleAnimator puzzle;
@override
final animationNotifier = _AnimationNotifier();
@override
TabController get tabController => _tabController;
final _AnimationNotifier animationNotifier = _AnimationNotifier();
SharedTheme _currentTheme;
@override
SharedTheme get currentTheme => _currentTheme;
@override
set currentTheme(SharedTheme theme) {
setState(() {
_currentTheme = theme;
});
}
Duration _tickerTimeSinceLastEvent = Duration.zero;
Ticker _ticker;
Duration _lastElapsed;
StreamSubscription sub;
StreamSubscription _puzzleEventSubscription;
@override
bool autoPlay = false;
PuzzleHomeState(this.puzzle) {
sub = puzzle.onEvent.listen(_onPuzzleEvent);
_puzzleEventSubscription = puzzle.onEvent.listen(_onPuzzleEvent);
_themeDataCache = List.unmodifiable([
ThemeSimple(this),
ThemeSeattle(this),
ThemePlaster(this),
]);
_currentTheme = themeData.first;
_currentTheme = themes.first;
}
@override
@@ -70,18 +48,15 @@ class PuzzleHomeState extends State
duration: const Duration(milliseconds: 200),
);
_tabController = TabController(vsync: this, length: _themeDataCache.length);
_tabController = TabController(vsync: this, length: themes.length);
_tabController.addListener(() {
currentTheme = _themeDataCache[_tabController.index];
setState(() {
_currentTheme = themes[_tabController.index];
});
});
}
List<SharedTheme> _themeDataCache;
@override
Iterable<SharedTheme> get themeData => _themeDataCache;
@override
void setAutoPlay(bool newValue) {
if (newValue != autoPlay) {
@@ -96,8 +71,13 @@ class PuzzleHomeState extends State
}
@override
Widget build(BuildContext context) =>
LayoutBuilder(builder: _currentTheme.build);
Widget build(BuildContext context) => MultiProvider(
providers: [
ListenableProvider.value(listenable: _tabController),
Provider<AppState>.value(value: this),
],
child: LayoutBuilder(builder: _currentTheme.build),
);
@override
void dispose() {
@@ -105,7 +85,7 @@ class PuzzleHomeState extends State
_tabController.dispose();
_controller?.dispose();
_ticker?.dispose();
sub.cancel();
_puzzleEventSubscription.cancel();
super.dispose();
}
@@ -165,10 +145,7 @@ class PuzzleHomeState extends State
}
}
class _AnimationNotifier extends ChangeNotifier implements AnimationNotifier {
_AnimationNotifier();
@override
class _AnimationNotifier extends ChangeNotifier {
void animate() {
notifyListeners();
}